Weather-related failures in supply networks, especially those with many overhead lines, may lead to large-scale supply interruptions of crisis proportions. To successfully cope with such crisis situations, it is of vital importance that the crisis organisations involved act in a fast and coordinated manner. To do this, all members of the crisis organisations must be supplied with comprehensive,
... [Show full abstract] easily accessible and intelligible information. For this purpose, RWE Rhein-Ruhr Netzservice GmbH has been developing an IT tool for crisis and communication management.